U2402B Datasheet, PDF (13/17 Pages) TEMIC Semiconductors – Fast Charge Controller for NiCd/NiMH Batteries

U2402B
Parameters
Test Conditions / Pins
Comparator or temperature control
Input current
Pins 7 and 8
Input voltage range
Pins 7 and 8
Threshold voltage
Pin 8
Charge break output
Pin 9
Output voltage
Output current
Battery detection
High, I₉ = 4 mA
Low, I₉ = 0 mA
V₉ = 1 V
Pin 10
Analog-digital converter
Input current
Input voltage for reset
Input current for reset
Battery detection
Conversion range
Full scale level
v v 0.1 V V_Batt 4.5 V
y V_Batt 5 V
Maximum voltage
Hysteresis
Maximum voltage
Mode select
Pin 12
Threshold voltage
Test mode
Input current
Normal mode
Open
Sync. oscillator
Pin 13
Frequency
R = 150 kW
C = 10 nF
Threshold voltage
High level
Low level
Input current
Phase control
Ramp voltage
Ramp current
R_ö = 270 kW Pin 16
Ramp voltage range
Ramp discharge current
Synchronization
Minimum current
Maximum current
Zero voltage detection
v V_sync 80 mV
V_sync = 0 V
Pin 18
Hysteresis
Charge stop criteria (function)
Pin 10
Positive gradient-turn-off
threshold
f_osc = 800 Hz
– DV-turn-off threshold
Symbol
I_{7, 8}
V_{7, 8}
V₈
V₉
I₉
V_Batt
– I_Batt
V_Batt
I_Batt
D V_Batt
V_hys
V₁₂
I₁₂
f_osc
V_T(H)
V_T(L)
I₁₃
V₁₆
I₁₆
V₁₇
I₁₇
– I_sync
– I_sync
V_sync
V_hys
d²V/dt²
– DV
Min.
Typ.
Max.
Unit
– 0.5
0
3.85
0.5
mA
5
V
4.15
V
8.4
V
100
mV
10
mA
0
4.0
V
3.85
0.5
mA
4.8
5.0
5.3
V
8
35
mA
80
120
mV
15
mV
4.7
V
20
mA
0
800
Hz
" 4.3 3%
" 2.2 3%
V
– 0.5
0.5
mA
2.9
3.9
V
0
100
mA
0
5
V
3.3
8
mA
10
2
mA
15
30
mA
83
100
135
mV
15
mV
4.8
mV/min²
12
mV
TELEFUNKEN Semiconductors
Rev. A3, 14-Nov-96
13 (17)